28941304

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 36377096

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 71, 116, 142, 203, 232, 251, 284, 406, 497, 502, 568, 812, 994, 1004, 1624, 1757, 1988, 2008, 2059, 3514, 3976, 4118, 7028, 7279, 8236, 14056, 14413, 14558, 16472, 17821, 28826, 29116, 35642, 50953, 57652, 58232, 71284, 101906, 115304, 124747, 142568, 203812, 249494, 407624, 498988, 516809, 997976, 1033618, 2067236, 3617663, 4134472, 7235326, 14470652, 28941304]

約数ペア:

[(1, 28941304), (2, 14470652), (4, 7235326), (7, 4134472), (8, 3617663), (14, 2067236), (28, 1033618), (29, 997976), (56, 516809), (58, 498988), (71, 407624), (116, 249494), (142, 203812), (203, 142568), (232, 124747), (251, 115304), (284, 101906), (406, 71284), (497, 58232), (502, 57652), (568, 50953), (812, 35642), (994, 29116), (1004, 28826), (1624, 17821), (1757, 16472), (1988, 14558), (2008, 14413), (2059, 14056), (3514, 8236), (3976, 7279), (4118, 7028)]